Adesto AT45DB021E-SSHN-T, 2Mbit SPI Flash, 70 MHz clock, 1.65V-3.6V supply, 8-SOIC, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Memory type | Non-Volatile |
| Mounting | Surface Mount |
| Voltage | 1.65V ~ 3.6V |
| Frequency | 70 MHz |
| Memory interface | SPI |
| Operating temperature | -40°C ~ 85°C (TC) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Technology | FLASH |
| Memory size | 2Mbit |
| Memory format | FLASH |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Memory organization | 264 Bytes x 1024 pages |
| Write cycle time - word, page | 8µs, 3ms |
This chip uses 264-byte pages, not the 256-byte pages found in the AT45DB021E-SHN2B-T variant. If your firmware's SPI driver assumes 256-byte boundaries (common in generic SPI Flash libraries), you will need to adjust the page-write routine. The extra 8 bytes per page are available as a scratchpad or ECC area if the controller supports it.
No end-of-life notice on record, so it is safe to qualify for new production.
The AT45DB021E is the newer generation and is generally a drop-in replacement for the AT45DB021D in the same 8-SOIC package, but verify the page organization (264 bytes vs 256 bytes) and any minor timing differences in your specific application.
This part is sourced to order through independent distribution. Submit an RFQ for current availability and pricing.
Yes, it is available in Tape & Reel (TR) and Cut Tape (CT) options.
Yes, it is ROHS3 compliant.